[PATCH v6] drm: add fourcc codes for 16bit R and RG

[Christian König]

Am 05.01.2017 um 12:37 schrieb Ville Syrjälä:
> On Wed, Jan 04, 2017 at 07:38:55PM +0100, Rainer Hochecker wrote:
>> From: Rainer Hochecker <fernetmenta at online.de>
>>
>> This adds fourcc codes for 16bit planes required for DRM buffer
>> export to mesa.
>>
>> Signed-off-by: Rainer Hochecker <fernetmenta at online.de>
> Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Good to see some work landing on that part, patch is Acked-by: Christian 
König <christian.koenig at amd.com>.

>
>> ---
>>   include/uapi/drm/drm_fourcc.h | 7 +++++++
>>   1 file changed, 7 insertions(+)
>>
>> diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
>> index a5890bf..d230e58 100644
>> --- a/include/uapi/drm/drm_fourcc.h
>> +++ b/include/uapi/drm/drm_fourcc.h
>> @@ -41,10 +41,17 @@ extern "C" {
>>   /* 8 bpp Red */
>>   #define DRM_FORMAT_R8		fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
>>   
>> +/* 16 bpp Red */
>> +#define DRM_FORMAT_R16		fourcc_code('R', '1', '6', ' ') /* [15:0] R little endian */
>> +
>>   /* 16 bpp RG */
>>   #define DRM_FORMAT_RG88		fourcc_code('R', 'G', '8', '8') /* [15:0] R:G 8:8 little endian */
>>   #define DRM_FORMAT_GR88		fourcc_code('G', 'R', '8', '8') /* [15:0] G:R 8:8 little endian */
>>   
>> +/* 32 bpp RG */
>> +#define DRM_FORMAT_RG1616	fourcc_code('R', 'G', '3', '2') /* [31:0] R:G 16:16 little endian */
>> +#define DRM_FORMAT_GR1616	fourcc_code('G', 'R', '3', '2') /* [31:0] G:R 16:16 little endian */
>> +
>>   /* 8 bpp RGB */
>>   #define DRM_FORMAT_RGB332	fourcc_code('R', 'G', 'B', '8') /* [7:0] R:G:B 3:3:2 */
>>   #define DRM_FORMAT_BGR233	fourcc_code('B', 'G', 'R', '8') /* [7:0] B:G:R 2:3:3 */
>> -- 
>> 2.9.3